Octet

Octet / Pka Table

Phenol (ArOH)

The pKa of Phenol (ArOH) is 10. Resonance into ring stabilizes anion. A lower pKa means a stronger acid and a more stable conjugate base.

Pka Table details

Compound

Phenol (ArOH)

Pka

10

Conjugate Base

ArO⁻

Notes

Resonance into ring stabilizes anion

This is one row of the pKa · protecting groups sheet - print all 31 pKa values on one page.

Pka Table

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HI

The pKa of HI is -10. Strongest common acid. A lower pKa means a stronger acid and a more stable conjugate base.

HBr

The pKa of HBr is -9. A lower pKa means a stronger acid and a more stable conjugate base.

HCl

The pKa of HCl is -7. A lower pKa means a stronger acid and a more stable conjugate base.

H₂SO₄

The pKa of H₂SO₄ is -3. First proton. A lower pKa means a stronger acid and a more stable conjugate base.

HNO₃

The pKa of HNO₃ is -1.4. A lower pKa means a stronger acid and a more stable conjugate base.

H₃O⁺

The pKa of H₃O⁺ is -1.7. Hydronium ion. A lower pKa means a stronger acid and a more stable conjugate base.

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